Design with Snake Eyes Bonnet in Cirkit DesignerThe Snake Eyes Bonnet is an add-on circuit board designed for the Raspberry Pi, offering a suite of features that enhance the capabilities of the Raspberry Pi for various projects. It is equipped with a dual-core microcontroller, a display interface for driving screens, user interface buttons, and multiple input/output options. This bonnet is particularly useful for creating custom gaming devices, interactive art installations, or any project that requires additional user interfaces and display elements.
This circuit is a gesture-controlled snake game using an Arduino UNO, a PAJ7620 gesture recognition sensor, and a 0.96" OLED display. The Arduino UNO processes gesture inputs from the PAJ7620 sensor to control the snake's movement, and the game is displayed on the OLED screen.
Open Project in Cirkit Designer
This circuit features a Raspberry Pi 4B interfaced with an IMX296 color global shutter camera, a Neo 6M GPS module, an Adafruit BMP388 barometric pressure sensor, an MPU-6050 accelerometer/gyroscope, and a Sim800l GSM module for cellular connectivity. Power management is handled by an MT3608 boost converter, which steps up the voltage from a Lipo battery, with a resettable fuse PTC and a 1N4007 diode for protection. The Adafruit Perma-Proto HAT is used for organizing connections and interfacing the sensors and modules with the Raspberry Pi via I2C and GPIO pins.
Open Project in Cirkit Designer
This circuit is an animal deterrence system that uses an Arduino UNO to interface with a PIR sensor, an ultrasonic sensor, a GSM module, and a buzzer. The system detects animals using the sensors, triggers an alarm via the buzzer, and sends an SMS alert through the GSM module. Additionally, an ESP32-CAM captures images when an animal is detected and sends them to a predefined server or saves them to an SD card.
Open Project in Cirkit Designer
This circuit is a smart target system that uses an ESP8266 NodeMCU to control an Adafruit NeoPixel Ring, a piezo buzzer, and sensors (vibration and sound) to detect hits. The system connects to a Wi-Fi network and communicates with a server to report hit events and receive configuration updates, utilizing an RS-485 module for additional communication capabilities.
Open Project in Cirkit Designer| Pin Number | Description | Notes |
|---|---|---|
| 1 | 3.3V Power | Power supply for the bonnet |
| 2 | 5V Power | Power supply from Raspberry Pi |
| 3 | GPIO2 (SDA) | I2C Data |
| 4 | 5V Power | Power supply from Raspberry Pi |
| 5 | GPIO3 (SCL) | I2C Clock |
| 6 | Ground | Ground connection |
| ... | ... | ... |
| N | GPIOX | General Purpose I/O pin X |
Note: This table is not exhaustive and only includes a selection of pins for illustration purposes.
Q: Can the Snake Eyes Bonnet be used with any Raspberry Pi model? A: The bonnet is designed to be compatible with Raspberry Pi Zero, 2, 3, and 4 models. It may not be compatible with older models due to differences in GPIO headers.
Q: Do I need to install any special software to use the bonnet? A: You may need to install drivers or software libraries specific to the peripherals you are using with the bonnet. Check the manufacturer's documentation for details.
Q: How do I program the dual-core microcontroller on the bonnet? A: You can program the microcontroller using the Raspberry Pi's operating system and development tools. Specific instructions will depend on the programming language and environment you choose.
Below is an example Python script for initializing the Snake Eyes Bonnet with the Raspberry Pi. This script assumes you have the necessary libraries installed.
import RPi.GPIO as GPIO
import time
# Setup GPIO pins
GPIO.setmode(GPIO.BCM)
GPIO.setup(17, GPIO.OUT) # Example pin for output
try:
while True:
# Blink an LED connected to pin 17
GPIO.output(17, GPIO.HIGH)
time.sleep(1)
GPIO.output(17, GPIO.LOW)
time.sleep(1)
except KeyboardInterrupt:
# Clean up GPIO on CTRL+C exit
GPIO.cleanup()
# Clean up GPIO on normal exit
GPIO.cleanup()
Note: This code is for illustrative purposes and may require modifications to work with specific peripherals connected to the Snake Eyes Bonnet.
Remember to consult the official Raspberry Pi documentation and the Snake Eyes Bonnet manufacturer's resources for more detailed programming instructions and examples.